Merge #5692

5692: Add support for extern crate r=jonas-schievink a=Nashenas88

This adds syntax highlighting, hover and goto def functionality for extern crate.

Fixes #5690 

Co-authored-by: Paul Daniel Faria <[email protected]>

1 files changed, 17 insertions, 0 deletions

diff --git a/crates/ra_ide/src/syntax_highlighting/tests.rs b/crates/ra_ide/src/syntax_highlighting/tests.rs
index 730efff0d..09062c38e 100644
--- a/crates/ra_ide/src/syntax_highlighting/tests.rs
+++ b/crates/ra_ide/src/syntax_highlighting/tests.rs
@@ -391,6 +391,23 @@ macro_rules! noop {
     );
 }
 
+#[test]
+fn test_extern_crate() {
+    check_highlighting(
+        r#"
+        //- /main.rs
+        extern crate std;
+        extern crate alloc as abc;
+        //- /std/lib.rs
+        pub struct S;
+        //- /alloc/lib.rs
+        pub struct A
+        "#,
+        expect_file!["crates/ra_ide/test_data/highlight_extern_crate.html"],
+        false,
+    );
+}
+
 /// Highlights the code given by the `ra_fixture` argument, renders the
 /// result as HTML, and compares it with the HTML file given as `snapshot`.
 /// Note that the `snapshot` file is overwritten by the rendered HTML.